VulnerabilityModified
CVE-2020-12405
When browsing a malicious page, a race condition in our SharedWorkerService could occur and lead to a potentially exploitable crash.
MEDIUM 5.3EPSS 1.35%
Does this matter?
Lower severity and a low EPSS score (1.35%). Track it; it rarely justifies an emergency change on its own.
Description
When browsing a malicious page, a race condition in our SharedWorkerService could occur and lead to a potentially exploitable crash. This vulnerability affects Thunderbird < 68.9.0, Firefox < 77, and Firefox ESR < 68.9.
- CVSS 3.1
- 5.3 MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
- EPSS
- 1.35% probability · 70th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-362, CWE-416
- Affected
- mozilla/firefox · mozilla/firefox esr · mozilla/thunderbird · canonical/ubuntu linux
- Source
- security@mozilla.org
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1631618Exploit, Issue Tracking, Vendor Advisory
- https://usn.ubuntu.com/4421-1/Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-20/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-21/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-22/Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1631618Exploit, Issue Tracking, Vendor Advisory
- https://usn.ubuntu.com/4421-1/Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-20/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-21/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-22/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.